Scale ca. 1:18,000. Manuscript, pen-and-ink and watercolors. Watermark: J. Kool. Depths shown by soundings. Oriented with north to the bottom. Mounted on cloth backing. LC Luso-Hispanic World, 318 LC Maps of North America, 1750-1789, 1830 Available also through the Library of Congress Web site as a raster image. Maggs number annotated in pencil in lower right margin: 238. col. map 46 x 28 cm.